Finding the Fourth Proportional to 16,278.05, 24,420.75 and 5,185.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,278.05 : 24,420.75 = 5,185.37 : x
2. Step 2: Convert to fraction form
   16,278.05/24,420.75 = 5,185.37/x
3. Step 3: Cross multiply
   16,278.05x = 24,420.75 × 5,185.37
4. Step 4: Simplify right side
   16,278.05x = 126,630,502.32
5. Step 5: Solve for x
   x = 126,630,502.32/16,278.05
6. Step 6: Final answer
   x = 7,779.22